Resolve '-Wextra-semi' warnings

Change-Id: I66f988b7ca4272456e90dc504b053a5f12569e12
diff --git a/include/nlbyteorder.hpp b/include/nlbyteorder.hpp
index 7735b7d..7ce41ff 100644
--- a/include/nlbyteorder.hpp
+++ b/include/nlbyteorder.hpp
@@ -359,9 +359,9 @@
             return nlByteOrderSwap64HostToBig(inValue);
         }
 
-    }; // namespace ByteOrder
+    } // namespace ByteOrder
 
-}; // namespace nl
+} // namespace nl
 
 #endif // NLBYTEORDER_HPP
 
diff --git a/include/nlio-base.hpp b/include/nlio-base.hpp
index 4be7a03..e176c35 100644
--- a/include/nlio-base.hpp
+++ b/include/nlio-base.hpp
@@ -1018,8 +1018,8 @@
     nlIOWrite64(&p, v);
 }
 
-}; // namespace IO
+} // namespace IO
 
-}; // namespace nl
+} // namespace nl
 
 #endif // NLIO_BASE_HPP
diff --git a/include/nlio-byteorder-big.hpp b/include/nlio-byteorder-big.hpp
index a34be83..0d1e96f 100644
--- a/include/nlio-byteorder-big.hpp
+++ b/include/nlio-byteorder-big.hpp
@@ -913,10 +913,10 @@
     IO::WriteUnaligned64(p, ByteOrder::Swap64HostToBig(v));
 }
 
-}; // namespace BigEndian
+} // namespace BigEndian
 
-}; // namespace IO
+} // namespace IO
 
-}; // namespace nl
+} // namespace nl
 
 #endif // NLIO_BYTEORDER_BIG_HPP
diff --git a/include/nlio-byteorder-little.hpp b/include/nlio-byteorder-little.hpp
index 7c3ec2e..47d8fce 100644
--- a/include/nlio-byteorder-little.hpp
+++ b/include/nlio-byteorder-little.hpp
@@ -913,10 +913,10 @@
     IO::WriteUnaligned64(p, ByteOrder::Swap64HostToLittle(v));
 }
 
-}; // namespace LittleEndian
+} // namespace LittleEndian
 
-}; // namespace IO
+} // namespace IO
 
-}; // namespace nl
+} // namespace nl
 
 #endif // NLIO_BYTEORDER_LITTLE_HPP